#218F4B#218F4B

#218F4B is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.141 H 151.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#218F4B
RGB	rgb(33, 143, 75)
HSL	hsl(143, 63%, 35%)
HSV	hsv(143, 77%, 56%)
CMYK	cmyk(76.9%, 0%, 47.6%, 43.9%)
CIE-LAB	lab(52.37, -45.84, 27.67)
CIE-LCH	lch(52.37, 53.55, 148.88°)
OKLab	oklab(57.39% -0.1232 0.0678)
OKLCH	oklch(57.39% 0.141 151.2)
XYZ	xyz(11.7186, 20.4749, 9.9897)
Luminance	0.2048 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F4B #8F2165

analogous

#2E8F21 #218F4B #218F82

triadic

#218F4B #4B218F #8F4B21

tetradic

#218F4B #212E8F #8F2165 #8F8221

square

#218F4B #212E8F #8F2165 #8F8221

split-complementary

#218F4B #82218F #8F212E

monochromatic

#0A2C17 #165D31 #218F4B #2CC165 #53D786

Accessibility & contrast

On white

4.12

#218F4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#218F4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F4B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F4B	#FFFFFF	#000000	##000000
##218F4B	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908246

Deuteranopia (green-blind)

#837950

Tritanopia (blue-blind)

#008D7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218f4b;
/* rgb */ color: rgb(33, 143, 75);
/* oklch */ color: oklch(57.4% 0.141 151.2);

Tailwind

colors: {
  custom: {
    50: '#6eb17e',
    500: '#218f4b',
    950: '#000000',
  },
}

SCSS

$custom: #218f4b;
$custom-light: #6eb17e;
$custom-dark: #000000;

JSON

{
  "hex": "#218f4b",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 75
  },
  "hsl": {
    "h": 142.909,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57392,
    "c": 0.14067,
    "h": 151.2
  },
  "luminance": 0.20476
}

Semantic roles & 50–950 ramp

primary

#218F4B

secondary

#BB5192

accent

#42A7E6

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #218F4B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →